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OpenAI Acquires Promptfoo to Strengthen AI Agent Security Testing

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OpenAI has acquired Promptfoo, a security testing firm specializing in agentic AI, to enhance the security framework of its enterprise-focused AI ecosystem. The acquisition aims to address the need for systematic testing of AI agent behavior, detecting risks before deployment, and maintaining oversight and accountability. Promptfoo's open-source tools will be integrated into OpenAI Frontier, providing automated security testing and red-teaming capabilities to identify and remediate risks such as prompt injections, jailbreaks, and data leaks. Jamieson O’Reilly, security advisor at OpenClaw, highlighted the importance of developing tools to scan AI for human-language malware, emphasizing the need for advanced security measures in AI development.

Timeline

  1. 10.03.2026 19:15 1 articles · 18h ago

    OpenAI Acquires Promptfoo to Enhance AI Agent Security Testing

    On March 10, 2026, OpenAI announced the acquisition of Promptfoo, a security testing firm specializing in agentic AI. The acquisition aims to reinforce security measures for AI agents in enterprise applications. Promptfoo's open-source tools will be integrated into OpenAI Frontier, providing automated security testing and red-teaming capabilities to identify and remediate risks such as prompt injections, jailbreaks, and data leaks. The move follows Jamieson O’Reilly's call for advanced security measures in AI development.

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Information Snippets

  • OpenAI acquired Promptfoo to reinforce security measures for AI agents in enterprise applications.

    First reported: 10.03.2026 19:15
    1 source, 1 article
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  • Promptfoo provides open-source tools for testing and evaluating large language models (LLMs) and AI agents.

    First reported: 10.03.2026 19:15
    1 source, 1 article
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  • Promptfoo's tools are used by over 25% of Fortune 500 companies.

    First reported: 10.03.2026 19:15
    1 source, 1 article
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  • OpenAI will integrate Promptfoo's technology into OpenAI Frontier, its platform for building and operating AI coworkers.

    First reported: 10.03.2026 19:15
    1 source, 1 article
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  • Promptfoo's current product suite will remain open source and available for public use.

    First reported: 10.03.2026 19:15
    1 source, 1 article
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  • Jamieson O’Reilly, security advisor at OpenClaw, emphasized the need for tools to detect human-language malware in AI.

    First reported: 10.03.2026 19:15
    1 source, 1 article
    Show sources